Biological subphenotypes in severe acute hypoxaemic respiratory failure and acute respiratory distress syndrome using rapid prospective classification (SPARC) in the USA: a multicentre, observational, study.

Files DC, Matthay MA, Chapple AG, Barragan AB, Mabrey L, Gibbs KW, Krall J, Aggarwal NR, Burnham EL, Liu KD, Meyer NJ, Nates JL, Youssef FA, Friedman E, Kett DH, Koff J, Russell DW, Calfee CS, Eklund M, Esserman LJ